... Group are professional manufacturer and exporter of Dental Bearing . Our Dental Bearing is good in quality and competitive ... Phenolic) High strength, Ant-fraying, Self-lubricating 3. Dental Bearings Sizes and description:SR144TL, SR144TLZ,SFR144TL, SFR144TLZSR144TLK, ... 5. Freerun Primary Competitive Advantages:· About 10 years dental bearing manufacturing experience· 52 Professional skill, 8 ...